As big a deal as this is for Home Depot, it’s not the first time it has tried this strategy. Back in the 1990s, the retailer tested a spin-off store called Expo that featured not only more upscale home improvement products but also the decorating accompaniments, including textiles, tableware and some furniture. The stores took a much more stylish merchandising route than the typical rack-'em-and-stack-'em Home Depot warehouse and truly represented a new approach to the entire home remodeling and redecorating process. But they didn’t work — or at least not well enough for